Cold Intake Pipe and HeatShield For 02-05 Audi A4 B6 1.8T 3" Cold Intake Pipe + Heatshield This is CXRacing's New FMIC kit Developed Cold Intake System, with big 3" Pipe and Extended in front of the car, it brings up much cooler air. Replaces Restrictive Factory Intake. This is a TRUE COLD INTAKE Brings the Coolest Air. Aluminum HeatShield Blocks Heat from the Motor. 3" Polished Aluminum Piping kit.